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width: 23em; font-size: 90%;"> <tr> <th colspan="2" style="text-align: center">RSS</th> </tr> <tr> <td colspan="2" style="text-align: center;"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Image:Feed-icon.svg" class="image" title="The Firefox and Internet Explorer 7 Feed icon."><img alt="The Firefox and Internet Explorer 7 Feed icon." src="https://web.archive.org/web/20080528061713im_/http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Feed-icon.svg/48px-Feed-icon.svg.png" width="48" height="48" border="0"/></a></td> </tr> <tr> <td colspan="2" style="text-align: center; border: 0px solid #aaaaaa;"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Image:Wikipedia_rss_with_mozilla_thunderbird.PNG" class="image" title="Wikipedia rss with mozilla thunderbird.PNG"><img alt="" src="https://web.archive.org/web/20080528061713im_/http://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Wikipedia_rss_with_mozilla_thunderbird.PNG/300px-Wikipedia_rss_with_mozilla_thunderbird.PNG" width="300" height="300" border="0"/></a> Screenshot of an RSS feed as seen in <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Mozilla_Thunderbird" title="Mozilla Thunderbird">Mozilla Thunderbird</a></td> </tr> <tr> <th><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Filename_extension" title="Filename extension">File name extension</a></th> <td><code><tt>.rss</tt>, <tt>.xml</tt></code></td> </tr> <tr> <th><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Internet_media_type" title="Internet media type">Internet media type</a></th> <td><code>application/rss+xml (Registration Being Prepared)<a href="#cite_note-0" title="">[1]</a></code></td> </tr> <tr> <th>Extended from</th> <td><a href="/web/20080528061713/http://en.wikipedia.org/wiki/XML" title="XML">XML</a></td> </tr> </table> RSS is a family of <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Web_feed" title="Web feed">Web feed</a> formats used to publish frequently updated content such as <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Blog" title="Blog">blog</a> entries, news headlines, and <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Podcasts" class="mw-redirect" title="Podcasts">podcasts</a> in a standardized format.<a href="#cite_note-Netsc99-1" title="">[2]</a> An RSS document (which is called a "feed" or "web feed"<a href="#cite_note-GuardWF-2" title="">[3]</a> or "channel") contains either a summary of content from an associated web site or the full text. RSS makes it possible for people to keep up with web sites in an automated manner that can be piped into special programs or filtered displays.<a href="#cite_note-GuardWF-2" title="">[3]</a> The benefit of RSS is the aggregation of content from multiple Web sources in one place. RSS content can be read using <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Software" class="mw-redirect" title="Software">software</a> called an "RSS reader", "feed reader" or an "<a href="/web/20080528061713/http://en.wikipedia.org/wiki/Aggregator" title="Aggregator">aggregator</a>", which can be <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Web_application" title="Web application">web-based</a> or <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Application_software" title="Application software">desktop-based</a>. A standardized <a href="/web/20080528061713/http://en.wikipedia.org/wiki/XML" title="XML">XML</a> file format allows the information to be published once and viewed by many different programs. The user subscribes to a feed by entering the feed's link into the reader or by clicking an RSS icon in a browser that initiates the subscription process. The RSS reader checks the user's subscribed feeds regularly for new content, downloading any updates that it finds and provides a <a href="/web/20080528061713/http://en.wikipedia.org/wiki/User_interface" title="User interface">user interface</a> to monitor and read the feeds. The initials "RSS" are used to refer to the following formats: <ul> <li>Really Simple Syndication (RSS 2.0)</li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Resource_Description_Framework" title="Resource Description Framework">RDF</a> Site Summary (RSS 1.0 and RSS 0.90)</li> <li>Rich Site Summary (RSS 0.91).</li> </ul> RSS formats are specified using <a href="/web/20080528061713/http://en.wikipedia.org/wiki/XML" title="XML">XML</a>, a generic specification for the creation of data formats. Although RSS formats have evolved since March 1999,<a href="#cite_note-Qstart-3" title="">[4]</a> the RSS icon ("<a href="/web/20080528061713/http://en.wikipedia.org/wiki/Image:Feed-icon.svg" class="image" title="Feed-icon.svg"><img alt="" src="https://web.archive.org/web/20080528061713im_/http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Feed-icon.svg/16px-Feed-icon.svg.png" width="16" height="16" border="0"/></a>") first gained widespread use in 2005/2006. <table id="toc" class="toc" summary="Contents"> <tr> <td> <div id="toctitle"> <h2>Contents</h2> </div> <ul> <li class="toclevel-1"><a href="#History">1 History</a></li> <li class="toclevel-1"><a href="#Incompatibilities">2 Incompatibilities</a></li> <li class="toclevel-1"><a href="#Modules">3 Modules</a></li> <li class="toclevel-1"><a href="#BitTorrent_and_RSS">4 BitTorrent and RSS</a></li> <li class="toclevel-1"><a href="#Examples">5 Examples</a> <ul> <li class="toclevel-2"><a href="#RSS_1.0">5.1 RSS 1.0</a></li> <li class="toclevel-2"><a href="#RSS_2.0">5.2 RSS 2.0</a></li> <li class="toclevel-2"><a href="#Including_in_XHTML">5.3 Including in XHTML</a></li> </ul> </li> <li class="toclevel-1"><a href="#See_also">6 See also</a> <ul> <li class="toclevel-2"><a href="#Mashup_creators">6.1 Mashup creators</a></li> </ul> </li> <li class="toclevel-1"><a href="#References">7 References</a></li> <li class="toclevel-1"><a href="#External_links">8 External links</a> <ul> <li class="toclevel-2"><a href="#Specifications">8.1 Specifications</a></li> <li class="toclevel-2"><a href="#Articles">8.2 Articles</a></li> <li class="toclevel-2"><a href="#Validators">8.3 Validators</a></li> </ul> </li> </ul> </td> </tr> </table> <script type="text/javascript"> //<![CDATA[ if (window.showTocToggle) { var tocShowText = "show"; var tocHideText = "hide"; showTocToggle(); } //]]> </script> <a name="History" id="History"></a> <h2>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=1" title="Edit section: History">edit</a>] History</h2> <div class="thumb tright"> <div class="thumbinner" style="width:182px;"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Image:RSS_on_Safari.png" class="image" title="Screenshot of an RSS feed in Safari 2.0.4"><img alt="Screenshot of an RSS feed in Safari 2.0.4" src="https://web.archive.org/web/20080528061713im_/http://upload.wikimedia.org/wikipedia/en/thumb/c/cc/RSS_on_Safari.png/180px-RSS_on_Safari.png" width="180" height="105" border="0" class="thumbimage"/></a> <div class="thumbcaption"> <div class="magnify"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Image:RSS_on_Safari.png" class="internal" title="Enlarge"><img src="/web/20080528061713im_/http://en.wikipedia.org/skins-1.5/common/images/magnify-clip.png" width="15" height="11" alt=""/></a></div> Screenshot of an RSS feed in <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Safari_%28web_browser%29" title="Safari (web browser)">Safari 2.0.4</a></div> </div> </div> The RSS formats were preceded by several attempts at <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Web_syndication" title="Web syndication">syndication</a> that did not achieve widespread popularity. The basic idea of restructuring information about web sites goes back to as early as 1995, when <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Ramanathan_V._Guha" title="Ramanathan V. Guha">Ramanathan V. Guha</a> and others in <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Apple_Computer" class="mw-redirect" title="Apple Computer">Apple Computer</a>'s Advanced Technology Group developed the <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Meta_Content_Framework" title="Meta Content Framework">Meta Content Framework</a> (MCF).<a href="#cite_note-4" title="">[5]</a> For a more detailed discussion of these early developments, see the <a href="/web/20080528061713/http://en.wikipedia.org/wiki/History_of_web_syndication_technology" title="History of web syndication technology">history of web syndication technology</a>. RDF Site Summary, the first version of RSS, was created by <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Ramanathan_V._Guha" title="Ramanathan V. Guha">Guha</a> at <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Netscape_Communications_Corporation" class="mw-redirect" title="Netscape Communications Corporation">Netscape</a> in March 1999 for use on the My.Netscape.Com portal. This version became known as RSS 0.9.<a href="#cite_note-Qstart-3" title="">[4]</a> In July 1999, <a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=Dan_Libby&action=edit&redlink=1" class="new" title="Dan Libby (page does not exist)">Dan Libby</a> of Netscape produced a new version, RSS 0.91,<a href="#cite_note-Netsc99-1" title="">[2]</a> that simplified the format by removing <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Resource_Description_Framework" title="Resource Description Framework">RDF</a> elements and incorporating elements from <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Dave_Winer" title="Dave Winer">Dave Winer</a>'s scriptingNews syndication format.<a href="#cite_note-5" title="">[6]</a> Libby also renamed RSS to Rich Site Summary and outlined further development of the format in a "futures document".<a href="#cite_note-6" title="">[7]</a> This would be Netscape's last participation in RSS development for eight years. As RSS was being embraced by web publishers who wanted their feeds to be used on My.Netscape.Com and other early RSS portals, Netscape dropped RSS support from My.Netscape.Com in April 2001 during new owner AOL's restructuring of the company, also removing documentation and tools that supported the format.<a href="#cite_note-7" title="">[8]</a> Two entities emerged to fill the void, with neither Netscape's help nor approval: The <a href="/web/20080528061713/http://en.wikipedia.org/wiki/RSS-DEV_Working_Group" title="RSS-DEV Working Group">RSS-DEV Working Group</a> and Winer, whose <a href="/web/20080528061713/http://en.wikipedia.org/wiki/UserLand_Software" title="UserLand Software">UserLand Software</a> had published some of the first publishing tools outside of Netscape that could read and write RSS. Winer published a modified version of the RSS 0.91 specification on the UserLand web site, covering how it was being used in his company's products, and claimed copyright to the document.<a href="#cite_note-8" title="">[9]</a> A few months later, UserLand filed a U.S. trademark registration for RSS, but failed to respond to a <a href="/web/20080528061713/http://en.wikipedia.org/wiki/USPTO" class="mw-redirect" title="USPTO">USPTO</a> trademark examiner's request and the request was rejected in December 2001.<a href="#cite_note-9" title="">[10]</a> The RSS-DEV Working Group, a project whose members included Guha and representatives of <a href="/web/20080528061713/http://en.wikipedia.org/wiki/O%27Reilly_Media" title="O'Reilly Media">O'Reilly Media</a> and <a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=Moreover&action=edit&redlink=1" class="new" title="Moreover (page does not exist)">Moreover</a>, produced RSS 1.0 in December 2000.<a href="#cite_note-10" title="">[11]</a> This new version, which reclaimed the name RDF Site Summary from RSS 0.9, reintroduced support for RDF and added <a href="/web/20080528061713/http://en.wikipedia.org/wiki/XML_namespaces" class="mw-redirect" title="XML namespaces">XML namespaces</a> support, adopting elements from standard metadata vocabularies such as <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Dublin_Core" title="Dublin Core">Dublin Core</a>. In December 2000, Winer released RSS 0.92<a href="#cite_note-11" title="">[12]</a> a minor set of changes aside from the introduction of the enclosure element, which permitted audio files to be carried in RSS feeds and helped spark <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Podcasting" class="mw-redirect" title="Podcasting">podcasting</a>. He also released drafts of RSS 0.93 and RSS 0.94 that were subsequently withdrawn.<a href="#cite_note-12" title="">[13]</a> In September 2002, Winer released a major new version of the format, RSS 2.0, that redubbed its initials Really Simple Syndication. RSS 2.0 removed the type attribute added in the RSS 0.94 draft and added support for namespaces. Because neither Winer nor the RSS-DEV Working Group had Netscape's involvement, they could not make an official claim on the RSS name or format. This has fueled ongoing controversy in the syndication development community as to which entity was the proper publisher of RSS. One product of that contentious debate was the creation of an alternative syndication format, <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Atom_%28standard%29" title="Atom (standard)">Atom</a>, that began in June 2003. The Atom syndication format, whose creation was in part motivated by a desire to get a clean start free of the issues surrounding RSS, has been adopted as <a href="/web/20080528061713/http://en.wikipedia.org/wiki/IETF" class="mw-redirect" title="IETF">IETF</a> Proposed Standard <a href="https://web.archive.org/web/20080528061713/http://tools.ietf.org/html/rfc4287" class="external" title="http://tools.ietf.org/html/rfc4287">RFC 4287</a>. In July 2003, Winer and UserLand Software assigned the copyright of the RSS 2.0 specification to Harvard's <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Harvard_Law_School" title="Harvard Law School">Berkman Center for the Internet & Society</a>, where he had just begun a term as a visiting fellow.<a href="#cite_note-13" title="">[14]</a> At the same time, Winer launched the <a href="/web/20080528061713/http://en.wikipedia.org/wiki/RSS_Advisory_Board" title="RSS Advisory Board">RSS Advisory Board</a> with <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Brent_Simmons" class="mw-redirect" title="Brent Simmons">Brent Simmons</a> and <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Jon_Udell" title="Jon Udell">Jon Udell</a>, a group whose purpose was to maintain and publish the specification and answer questions about the format.<a href="#cite_note-14" title="">[15]</a> In December 2005, the Microsoft Internet Explorer team<a href="#cite_note-15" title="">[16]</a> and Outlook team<a href="#cite_note-16" title="">[17]</a> announced on their blogs that they were adopting the feed icon first used in the <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Mozilla_Firefox" title="Mozilla Firefox">Mozilla Firefox</a> <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Web_Browser" class="mw-redirect" title="Web Browser">browser</a> <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Image:Feed-icon.svg" class="image" title="Feed-icon.svg"><img alt="" src="https://web.archive.org/web/20080528061713im_/http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Feed-icon.svg/16px-Feed-icon.svg.png" width="16" height="16" border="0"/></a>. A few months later, <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Opera_Software" title="Opera Software">Opera Software</a> followed suit. This effectively made the orange square with white radio waves the industry standard for RSS and Atom feeds, replacing the large variety of icons and text that had been used previously to identify syndication data. In <a href="/web/20080528061713/http://en.wikipedia.org/wiki/January_2006" title="January 2006">January 2006</a>, <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Rogers_Cadenhead" title="Rogers Cadenhead">Rogers Cadenhead</a> relaunched the <a href="/web/20080528061713/http://en.wikipedia.org/wiki/RSS_Advisory_Board" title="RSS Advisory Board">RSS Advisory Board</a> without <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Dave_Winer" title="Dave Winer">Dave Winer</a>'s participation, with a stated desire to continue the development of the RSS format and resolve ambiguities. In June 2007, the board revised their version of the specification to confirm that namespaces may extend core elements with namespace attributes, as Microsoft has done in Internet Explorer 7. In their view, a difference of interpretation left publishers unsure of whether this was permitted or forbidden. <a name="Incompatibilities" id="Incompatibilities"></a> <h2>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=2" title="Edit section: Incompatibilities">edit</a>] Incompatibilities</h2> As noted above, there are several different versions of RSS, falling into two major branches (RDF and 2.*). The RDF, or RSS 1.* branch includes the following versions: <ul> <li>RSS 0.90 was the original Netscape RSS version. This RSS was called <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Resource_Description_Framework" title="Resource Description Framework">RDF</a> Site Summary, but was based on an early working draft of the RDF standard, and was not compatible with the final RDF Recommendation.</li> <li>RSS 1.0 is an open format by the <a href="/web/20080528061713/http://en.wikipedia.org/wiki/RSS-DEV_Working_Group" title="RSS-DEV Working Group">RSS-DEV Working Group</a>, again standing for RDF Site Summary. RSS 1.0 is an RDF format like RSS 0.90, but not fully compatible with it, since 1.0 is based on the final RDF 1.0 Recommendation.</li> <li>RSS 1.1 is also an open format and is intended to update and replace RSS 1.0. The specification is an independent draft not supported or endorsed in any way by the RSS-Dev Working Group or any other organization.</li> </ul> The RSS 2.* branch (initially UserLand, now Harvard) includes the following versions: <ul> <li>RSS 0.91 is the simplified RSS version released by Netscape, and also the version number of the simplified version originally championed by <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Dave_Winer" title="Dave Winer">Dave Winer</a> from Userland Software. The Netscape version was now called Rich Site Summary; this was no longer an RDF format, but was relatively easy to use. It remains the most common RSS variant.</li> <li>RSS 0.92 through 0.94 are expansions of the RSS 0.91 format, which are mostly compatible with each other and with Winer's version of RSS 0.91, but are not compatible with RSS 0.90. In all Userland RSS 0.9x specifications, RSS was no longer an acronym.</li> <li>RSS 2.0.1 has the internal version number 2.0. RSS 2.0.1 was proclaimed to be "frozen", but still updated shortly after release without changing the version number. RSS now stood for Really Simple Syndication. The major change in this version is an explicit extension mechanism using XML namespaces.<a href="#cite_note-W3C_REC_XML_Namespace-17" title="">[18]</a></li> </ul> For the most part, later versions in each branch are backward-compatible with earlier versions (aside from non-conformant RDF syntax in 0.90), and both versions include properly documented extension mechanisms using XML Namespaces, either directly (in the 2.* branch) or through RDF (in the 1.* branch). Most syndication software supports both branches. Mark Pilgrim's article <a href="https://web.archive.org/web/20080528061713/http://diveintomark.org/archives/2004/02/04/incompatible-rss" class="external text" title="http://diveintomark.org/archives/2004/02/04/incompatible-rss" rel="nofollow">"The Myth of RSS Compatibility"</a> discusses RSS version compatibility in more detail. The extension mechanisms make it possible for each branch to track innovations in the other. For example, the RSS 2.* branch was the first to support <a href="/web/20080528061713/http://en.wikipedia.org/wiki/RSS_Enclosures" class="mw-redirect" title="RSS Enclosures">enclosures</a>, making it the current leading choice for <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Podcast" title="Podcast">podcasting</a>, and as of mid-2005 is the format supported for that use by <a href="/web/20080528061713/http://en.wikipedia.org/wiki/ITunes" title="ITunes">iTunes</a> and other <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Podcast" title="Podcast">podcasting</a> software; however, an enclosure extension is now available for the RSS 1.* branch, <a href="https://web.archive.org/web/20080528061713/http://www.xs4all.nl/~foz/mod_enclosure.html" class="external text" title="http://www.xs4all.nl/~foz/mod_enclosure.html" rel="nofollow">mod_enclosure</a>. Likewise, the RSS 2.* core specification does not support providing full-text in addition to a synopsis, but the RSS 1.* markup can be (and often is) used as an extension. There are also several common outside extension packages available, including a new proposal from <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Microsoft" title="Microsoft">Microsoft</a> for use in <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Internet_Explorer" title="Internet Explorer">Internet Explorer</a> 7. The most serious compatibility problem is with HTML markup. Userland's RSS reader—generally considered as the reference implementation—did not originally filter out <a href="/web/20080528061713/http://en.wikipedia.org/wiki/HTML" title="HTML">HTML</a> markup from feeds. As a result, publishers began placing HTML markup into the titles and descriptions of items in their RSS feeds. This behavior has become expected of readers, to the point of becoming a <a href="/web/20080528061713/http://en.wikipedia.org/wiki/De_facto" title="De facto">de facto</a> standard, though there is still some inconsistency in how software handles this markup, particularly in titles. The RSS 2.0 specification was later updated to include examples of entity-encoded HTML; however, all prior plain text usages remain valid. <a name="Modules" id="Modules"></a> <h2>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=3" title="Edit section: Modules">edit</a>] Modules</h2> The primary objective of all RSS modules is to extend the basic <a href="/web/20080528061713/http://en.wikipedia.org/wiki/XML" title="XML">XML</a> schema established for more robust syndication of content. This inherently allows for more diverse, yet standardized, transactions without modifying the core RSS specification. To accomplish this extension, a tightly controlled vocabulary (in the RSS world, "module"; in the XML world, "schema") is declared through an <a href="/web/20080528061713/http://en.wikipedia.org/wiki/XML_namespace" title="XML namespace">XML namespace</a> to give names to concepts and relationships between those concepts. Some RSS 2.0 modules with established namespaces: <ul> <li><a href="https://web.archive.org/web/20080528061713/http://shopping.discovery.com/erss/" class="external text" title="http://shopping.discovery.com/erss/" rel="nofollow">Ecommerce RSS 2.0 Module</a></li> <li><a href="https://web.archive.org/web/20080528061713/http://search.yahoo.com/mrss" class="external text" title="http://search.yahoo.com/mrss" rel="nofollow">Media RSS 2.0 Module</a></li> <li><a href="https://web.archive.org/web/20080528061713/http://www.opensearch.org/Specifications/OpenSearch/1.1" class="external text" title="http://www.opensearch.org/Specifications/OpenSearch/1.1" rel="nofollow">OpenSearch RSS 2.0 Module</a></li> </ul> <a name="BitTorrent_and_RSS" id="BitTorrent_and_RSS"></a> <h2>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=4" title="Edit section: BitTorrent and RSS">edit</a>] BitTorrent and RSS</h2> Several <a href="/web/20080528061713/http://en.wikipedia.org/wiki/BitTorrent_%28protocol%29" title="BitTorrent (protocol)">BitTorrent</a>-based <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Peer-to-peer" title="Peer-to-peer">peer-to-peer</a> applications also support RSS. Such feeds (also known as Torrent/RSS-es or Torrentcasts) allow client applications to download files automatically from the moment the RSS reader detects them (also known as <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Broadcatching" title="Broadcatching">Broadcatching</a>). <a name="Examples" id="Examples"></a> <h2>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=5" title="Edit section: Examples">edit</a>] Examples</h2> <a name="RSS_1.0" id="RSS_1.0"></a> <h3>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=6" title="Edit section: RSS 1.0">edit</a>] RSS 1.0</h3> The following is an example of an RSS 1.0 file (the quoted strings are in red font). <div dir="ltr" style="text-align: left;"> <pre class="source-xml"> <?xml version="1.0"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://purl.org/rss/1.0/"> <channel rdf:about="http://www.xml.com/xml/news.rss"> <title>XML.com</title> <link>http://xml.com/pub</link> <description> XML.com features a rich mix of information and services for the XML community. </description> <image rdf:resource="http://xml.com/universal/images/xml_tiny.gif" /> <items> <rdf:Seq> <rdf:li rdf:resource="http://xml.com/pub/2000/08/09/xslt/xslt.html" /> <rdf:li rdf:resource="http://xml.com/pub/2000/08/09/rdfdb/index.html" /> </rdf:Seq> </items> <textinput rdf:resource="http://search.xml.com" /> </channel> <image rdf:about="http://xml.com/universal/images/xml_tiny.gif"> <title>XML.com</title> <link>http://www.xml.com</link> <url>http://xml.com/universal/images/xml_tiny.gif</url> </image> <item rdf:about="http://xml.com/pub/2000/08/09/xslt/xslt.html"> <title>Processing Inclusions with XSLT</title> <link>http://xml.com/pub/2000/08/09/xslt/xslt.html</link> <description> Processing document inclusions with general XML tools can be problematic. This article proposes a way of preserving inclusion information through SAX-based processing. </description> </item> <item rdf:about="http://xml.com/pub/2000/08/09/rdfdb/index.html"> <title>Putting RDF to Work</title> <link>http://xml.com/pub/2000/08/09/rdfdb/index.html</link> <description> Tool and API support for the Resource Description Framework is slowly coming of age. Edd Dumbill takes a look at RDFDB, one of the most exciting new RDF toolkits. </description> </item> <textinput rdf:about="http://search.xml.com"> <title>Search XML.com</title> <description>Search XML.com's XML collection</description> <name>s</name> <link>http://search.xml.com</link> </textinput> </rdf:RDF> </pre></div> <a name="RSS_2.0" id="RSS_2.0"></a> <h3>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=7" title="Edit section: RSS 2.0">edit</a>] RSS 2.0</h3> The following is an example of an RSS 2.0 file (strings in red font). <div dir="ltr" style="text-align: left;"> <pre class="source-xml"> <?xml version="1.0"?> <rss version="2.0"> <channel> <title>Lift Off News</title> <link>http://liftoff.msfc.nasa.gov/</link> <description>Liftoff to Space Exploration.</description> <language>en-us</language> <pubDate>Tue, 10 Jun 2003 04:00:00 GMT</pubDate> <lastBuildDate>Tue, 10 Jun 2003 09:41:01 GMT</lastBuildDate> <docs>http://blogs.law.harvard.edu/tech/rss</docs> <generator>Weblog Editor 2.0</generator> <managingEditor>editor@example.com</managingEditor> <webMaster>webmaster@example.com</webMaster> <ttl>5</ttl> <item> <title>Star City</title> <link>http://liftoff.msfc.nasa.gov/news/2003/news-starcity.asp</link> <description>How do Americans get ready to work with Russians aboard the International Space Station? They take a crash course in culture, language and protocol at Russia's Star City.</description> <pubDate>Tue, 03 Jun 2003 09:39:21 GMT</pubDate> <guid>http://liftoff.msfc.nasa.gov/2003/06/03.html#item573</guid> </item> <item> <title>Space Exploration</title> <link>http://liftoff.msfc.nasa.gov/</link> <description>Sky watchers in Europe, Asia, and parts of Alaska and Canada will experience a partial eclipse of the Sun on Saturday, May 31st.</description> <pubDate>Fri, 30 May 2003 11:06:42 GMT</pubDate> <guid>http://liftoff.msfc.nasa.gov/2003/05/30.html#item572</guid> </item> <item> <title>The Engine That Does More</title> <link>http://liftoff.msfc.nasa.gov/news/2003/news-VASIMR.asp</link> <description>Before man travels to Mars, NASA hopes to design new engines that will let us fly through the Solar System more quickly. The proposed VASIMR engine would do that.</description> <pubDate>Tue, 27 May 2003 08:37:32 GMT</pubDate> <guid>http://liftoff.msfc.nasa.gov/2003/05/27.html#item571</guid> </item> <item> <title>Astronauts' Dirty Laundry</title> <link>http://liftoff.msfc.nasa.gov/news/2003/news-laundry.asp</link> <description>Compared to earlier spacecraft, the International Space Station has many luxuries, but laundry facilities are not one of them. Instead, astronauts have other options.</description> <pubDate>Tue, 20 May 2003 08:56:02 GMT</pubDate> <guid>http://liftoff.msfc.nasa.gov/2003/05/20.html#item570</guid> </item> </channel> </rss> </pre></div> <a name="Including_in_XHTML" id="Including_in_XHTML"></a> <h3>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=8" title="Edit section: Including in XHTML">edit</a>] Including in XHTML</h3> The following tag should be placed into the head of an XHTML document to provide a link to an RSS Feed. <div dir="ltr" style="text-align: left;"> <pre class="source-xml"> <link href="rss.xml" rel="alternate" type="application/rss+xml" title="Sitewide RSS Feed" /> </pre></div> <a name="See_also" id="See_also"></a> <h2>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=9" title="Edit section: See also">edit</a>] See also</h2> <ul> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Aggregator" title="Aggregator">Aggregators</a></li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Atom_%28standard%29" title="Atom (standard)">Atom</a></li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/DataPortability" title="DataPortability">DataPortability</a></li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/List_of_feed_aggregators" title="List of feed aggregators">List of feed aggregators</a></li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Podcast" title="Podcast">Podcasting</a></li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Web_syndication" title="Web syndication">Syndication</a></li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Web_Feed" class="mw-redirect" title="Web Feed">Web Feed</a></li> </ul> <a name="Mashup_creators" id="Mashup_creators"></a> <h3>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=10" title="Edit section: Mashup creators">edit</a>] <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Mashup_%28web_application_hybrid%29" title="Mashup (web application hybrid)">Mashup</a> creators</h3> <ul> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Google_Mashup_Editor" title="Google Mashup Editor">Google Mashup Editor</a></li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Microsoft_Popfly" title="Microsoft Popfly">Microsoft Popfly</a></li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Yahoo%21_Pipes" title="Yahoo! Pipes">Yahoo! Pipes</a></li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Pageflakes" title="Pageflakes">Pageflakes</a></li> <li><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Netvibes" title="Netvibes">Netvibes</a></li> </ul> <a name="References" id="References"></a> <h2>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=11" title="Edit section: References">edit</a>] References</h2> <div class="references-small" style="-moz-column-count:2; -webkit-column-count:2; column-count:2;"> <ol class="references"> <li id="cite_note-0"><a href="#cite_ref-0" title="">^</a> <a href="https://web.archive.org/web/20080528061713/http://www.rssboard.org/rss-mime-type-application.txt" class="external text" title="http://www.rssboard.org/rss-mime-type-application.txt" rel="nofollow">The application/rss+xml Media Type</a>. Network Working Group (<a href="/web/20080528061713/http://en.wikipedia.org/wiki/May_22" title="May 22">May 22</a>, <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2006" title="2006">2006</a>). Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2007" title="2007">2007</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/August_16" title="August 16">08-16</a>.</li> <li id="cite_note-Netsc99-1">^ <a href="#cite_ref-Netsc99_1-0" title="">a</a> <a href="#cite_ref-Netsc99_1-1" title="">b</a> Libby, Dan (<a href="/web/20080528061713/http://en.wikipedia.org/wiki/1999" title="1999">1999</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/July_10" title="July 10">07-10</a>). <a href="https://web.archive.org/web/20080528061713/http://web.archive.org/web/20001204093600/my.netscape.com/publish/formats/rss-spec-0.91.html" class="external text" title="http://web.archive.org/web/20001204093600/my.netscape.com/publish/formats/rss-spec-0.91.html" rel="nofollow">RSS 0.91 Spec, revision 3</a>. <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Netscape" title="Netscape">Netscape Communications</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2007" title="2007">2007</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/February_14" title="February 14">02-14</a>.</li> <li id="cite_note-GuardWF-2">^ <a href="#cite_ref-GuardWF_2-0" title="">a</a> <a href="#cite_ref-GuardWF_2-1" title="">b</a> "Web feeds | RSS | The Guardian | guardian.co.uk", The Guardian, London, 2007, webpage: <a href="https://web.archive.org/web/20080528061713/http://www.guardian.co.uk/webfeeds" class="external text" title="http://www.guardian.co.uk/webfeeds" rel="nofollow">GuardianUK-webfeeds</a>.</li> <li id="cite_note-Qstart-3">^ <a href="#cite_ref-Qstart_3-0" title="">a</a> <a href="#cite_ref-Qstart_3-1" title="">b</a> <a href="https://web.archive.org/web/20080528061713/http://web.archive.org/web/20001208063100/http://my.netscape.com/publish/help/quickstart.html" class="external text" title="http://web.archive.org/web/20001208063100/http://my.netscape.com/publish/help/quickstart.html" rel="nofollow">My Netscape Network: Quick Start</a>. <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Netscape" title="Netscape">Netscape Communications</a>. Archived from <a href="https://web.archive.org/web/20080528061713/http://my.netscape.com/publish/help/quickstart.html" class="external text" title="http://my.netscape.com/publish/help/quickstart.html" rel="nofollow">the original</a> on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2000" title="2000">2000</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/December_8" title="December 8">12-08</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2006" title="2006">2006</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/October_31" title="October 31">10-31</a>.</li> <li id="cite_note-4"><a href="#cite_ref-4" title="">^</a> Lash, Alex (<a href="/web/20080528061713/http://en.wikipedia.org/wiki/1997" title="1997">1997</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/October_3" title="October 3">10-03</a>). <a href="https://web.archive.org/web/20080528061713/http://news.com.com/2100-1001-203893.html" class="external text" title="http://news.com.com/2100-1001-203893.html" rel="nofollow">W3C takes first step toward RDF spec</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2007" title="2007">2007</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/February_16" title="February 16">02-16</a>.</li> <li id="cite_note-5"><a href="#cite_ref-5" title="">^</a> RSS Advisory Board (June 7, 2007). <a href="https://web.archive.org/web/20080528061713/http://www.rssboard.org/rss-history" class="external text" title="http://www.rssboard.org/rss-history" rel="nofollow">RSS History</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2007" title="2007">2007</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/September_4" title="September 4">09-04</a>.</li> <li id="cite_note-6"><a href="#cite_ref-6" title="">^</a> <a href="https://web.archive.org/web/20080528061713/http://web.archive.org/web/20001204123600/http://my.netscape.com/publish/help/futures.html" class="external text" title="http://web.archive.org/web/20001204123600/http://my.netscape.com/publish/help/futures.html" rel="nofollow">MNN Future Directions</a>. <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Netscape" title="Netscape">Netscape Communications</a>. Archived from <a href="https://web.archive.org/web/20080528061713/http://my.netscape.com/publish/help/futures.html" class="external text" title="http://my.netscape.com/publish/help/futures.html" rel="nofollow">the original</a> on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2000" title="2000">2000</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/December_4" title="December 4">12-04</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2006" title="2006">2006</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/October_31" title="October 31">10-31</a>.</li> <li id="cite_note-7"><a href="#cite_ref-7" title="">^</a> Andrew King (<a href="/web/20080528061713/http://en.wikipedia.org/wiki/2003" title="2003">2003</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/April_13" title="April 13">04-13</a>). <a href="https://web.archive.org/web/20080528061713/http://www.webreference.com/authoring/languages/xml/rss/1/" class="external text" title="http://www.webreference.com/authoring/languages/xml/rss/1/" rel="nofollow">The Evolution of RSS</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2007" title="2007">2007</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/January_17" title="January 17">01-17</a>.</li> <li id="cite_note-8"><a href="#cite_ref-8" title="">^</a> Winer, Dave (<a href="/web/20080528061713/http://en.wikipedia.org/wiki/2000" title="2000">2000</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/June_4" title="June 4">06-04</a>). <a href="https://web.archive.org/web/20080528061713/http://backend.userland.com/rss091#copyrightAndDisclaimer" class="external text" title="http://backend.userland.com/rss091#copyrightAndDisclaimer" rel="nofollow">RSS 0.91: Copyright and Disclaimer</a>. <a href="/web/20080528061713/http://en.wikipedia.org/wiki/UserLand_Software" title="UserLand Software">UserLand Software</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2006" title="2006">2006</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/October_31" title="October 31">10-31</a>.</li> <li id="cite_note-9"><a href="#cite_ref-9" title="">^</a> U.S. Patent & Trademark Office. <a href="https://web.archive.org/web/20080528061713/http://tarr.uspto.gov/servlet/tarr?regser=serial&entry=78025336" class="external text" title="http://tarr.uspto.gov/servlet/tarr?regser=serial&entry=78025336" rel="nofollow">'RSS' Trademark Latest Status Info</a>.</li> <li id="cite_note-10"><a href="#cite_ref-10" title="">^</a> RSS-DEV Working Group (<a href="/web/20080528061713/http://en.wikipedia.org/wiki/2000" title="2000">2000</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/December_9" title="December 9">12-09</a>). <a href="https://web.archive.org/web/20080528061713/http://web.resource.org/rss/1.0/spec" class="external text" title="http://web.resource.org/rss/1.0/spec" rel="nofollow">RDF Site Summary (RSS) 1.0</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2006" title="2006">2006</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/October_31" title="October 31">10-31</a>.</li> <li id="cite_note-11"><a href="#cite_ref-11" title="">^</a> Winer, Dave (<a href="/web/20080528061713/http://en.wikipedia.org/wiki/2000" title="2000">2000</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/December_25" title="December 25">12-25</a>). <a href="https://web.archive.org/web/20080528061713/http://backend.userland.com/rss092" class="external text" title="http://backend.userland.com/rss092" rel="nofollow">RSS 0.92 Specification</a>. <a href="/web/20080528061713/http://en.wikipedia.org/wiki/UserLand_Software" title="UserLand Software">UserLand Software</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2006" title="2006">2006</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/October_31" title="October 31">10-31</a>.</li> <li id="cite_note-12"><a href="#cite_ref-12" title="">^</a> Winer, Dave (<a href="/web/20080528061713/http://en.wikipedia.org/wiki/2001" title="2001">2001</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/April_20" title="April 20">04-20</a>). <a href="https://web.archive.org/web/20080528061713/http://backend.userland.com/rss093" class="external text" title="http://backend.userland.com/rss093" rel="nofollow">RSS 0.93 Specification</a>. <a href="/web/20080528061713/http://en.wikipedia.org/wiki/UserLand_Software" title="UserLand Software">UserLand Software</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2006" title="2006">2006</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/October_31" title="October 31">10-31</a>.</li> <li id="cite_note-13"><a href="#cite_ref-13" title="">^</a> <a href="https://web.archive.org/web/20080528061713/http://www.rssboard.org/advisory-board-notes" class="external text" title="http://www.rssboard.org/advisory-board-notes" rel="nofollow">Advisory Board Notes</a>. <a href="/web/20080528061713/http://en.wikipedia.org/wiki/RSS_Advisory_Board" title="RSS Advisory Board">RSS Advisory Board</a> (<a href="/web/20080528061713/http://en.wikipedia.org/wiki/2003" title="2003">2003</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/July_18" title="July 18">07-18</a>). Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2007" title="2007">2007</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/September_4" title="September 4">09-04</a>.</li> <li id="cite_note-14"><a href="#cite_ref-14" title="">^</a> <a href="https://web.archive.org/web/20080528061713/http://www.scripting.com/2003/07/18.html#rss20News" class="external text" title="http://www.scripting.com/2003/07/18.html#rss20News" rel="nofollow">RSS 2.0 News</a>. <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Dave_Winer" title="Dave Winer">Dave Winer</a>. Retrieved on <a href="/web/20080528061713/http://en.wikipedia.org/wiki/2007" title="2007">2007</a>-<a href="/web/20080528061713/http://en.wikipedia.org/wiki/September_4" title="September 4">09-04</a>.</li> <li id="cite_note-15"><a href="#cite_ref-15" title="">^</a> <a href="https://web.archive.org/web/20080528061713/http://blogs.msdn.com/rssteam/archive/2005/12/14/503778.aspx" class="external text" title="http://blogs.msdn.com/rssteam/archive/2005/12/14/503778.aspx" rel="nofollow">Icons: It’s still orange</a>, Microsoft RSS Blog, 14 December 2005</li> <li id="cite_note-16"><a href="#cite_ref-16" title="">^</a> <a href="https://web.archive.org/web/20080528061713/http://blogs.msdn.com/michael_affronti/archive/2005/12/15/504316.aspx" class="external text" title="http://blogs.msdn.com/michael_affronti/archive/2005/12/15/504316.aspx" rel="nofollow">RSS icon goodness</a>, blog post by Michael A. Affronti of Microsoft (Outlook Program Manager), 15 December 2005</li> <li id="cite_note-W3C_REC_XML_Namespace-17"><a href="#cite_ref-W3C_REC_XML_Namespace_17-0" title="">^</a> <a href="https://web.archive.org/web/20080528061713/http://www.w3.org/TR/REC-xml-names/" class="external text" title="http://www.w3.org/TR/REC-xml-names/" rel="nofollow">Namespaces in XML 1.0</a>. W3C (16 August 2006).</li> </ol> </div> <a name="External_links" id="External_links"></a> <h2>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=12" title="Edit section: External links">edit</a>] External links</h2> <div class="infobox sisterproject"> <div align="left" style="float:left"> <div style="position: relative;"><a href="https://web.archive.org/web/20080528061713/http://commons.wikimedia.org/wiki/RSS" title="Commons:RSS"><img alt="" src="https://web.archive.org/web/20080528061713im_/http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/50px-Commons-logo.svg.png" width="50" height="67" border="0"/></a></div> </div> <div style="margin-left: 60px;">Wikimedia Commons has media related to: <div style="margin-left: 10px;"><a href="https://web.archive.org/web/20080528061713/http://commons.wikimedia.org/wiki/RSS" class="extiw" title="commons:RSS">RSS</a></div> </div> </div> <a name="Specifications" id="Specifications"></a> <h3>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=13" title="Edit section: Specifications">edit</a>] Specifications</h3> <ul> <li><a href="https://web.archive.org/web/20080528061713/http://www.rssboard.org/rss-0-9-0" class="external text" title="http://www.rssboard.org/rss-0-9-0" rel="nofollow">RSS 0.90 Specification</a></li> <li><a href="https://web.archive.org/web/20080528061713/http://www.rssboard.org/rss-0-9-1-netscape" class="external text" title="http://www.rssboard.org/rss-0-9-1-netscape" rel="nofollow">RSS 0.91 Specification</a></li> <li><a href="https://web.archive.org/web/20080528061713/http://web.resource.org/rss/1.0/" class="external text" title="http://web.resource.org/rss/1.0/" rel="nofollow">RSS 1.0 Specifications</a> <a href="https://web.archive.org/web/20080528061713/http://purl.org/rss/1.0/" class="external text" title="http://purl.org/rss/1.0/" rel="nofollow">(RDF Site Summary 1.0)</a> <a href="https://web.archive.org/web/20080528061713/http://dmoz.org/Reference/Libraries/Library_and_Information_Science/Technical_Services/Cataloguing/Metadata/RDF/Applications/RSS/Specifications/RSS_1.0_Modules/" class="external text" title="http://dmoz.org/Reference/Libraries/Library_and_Information_Science/Technical_Services/Cataloguing/Metadata/RDF/Applications/RSS/Specifications/RSS_1.0_Modules/" rel="nofollow">Modules</a></li> <li><a href="https://web.archive.org/web/20080528061713/http://cyber.law.harvard.edu/rss/rss.html" class="external text" title="http://cyber.law.harvard.edu/rss/rss.html" rel="nofollow">RSS 2.0 Specification by Dave Winer</a></li> <li><a href="https://web.archive.org/web/20080528061713/http://www.rssboard.org/rss-specification" class="external text" title="http://www.rssboard.org/rss-specification" rel="nofollow">RSS 2.0 (2.0.10) specification by the RSS Advisory Board</a></li> <li><a href="https://web.archive.org/web/20080528061713/http://msdn2.microsoft.com/en-us/xml/bb190613.aspx" class="external text" title="http://msdn2.microsoft.com/en-us/xml/bb190613.aspx" rel="nofollow">Draft Microsoft specification for Simple Sharing Extensions to RSS</a> (<a href="/web/20080528061713/http://en.wikipedia.org/wiki/Simple_Sharing_Extensions" class="mw-redirect" title="Simple Sharing Extensions">See Wikipedia article</a>)</li> </ul> <a name="Articles" id="Articles"></a> <h3>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=14" title="Edit section: Articles">edit</a>] Articles</h3> <ul> <li><a href="https://web.archive.org/web/20080528061713/http://backend.userland.com/davesRss2PoliticalFaq" class="external text" title="http://backend.userland.com/davesRss2PoliticalFaq" rel="nofollow">RSS Political Faq</a> (Dave Winer)</li> <li><a href="https://web.archive.org/web/20080528061713/http://diveintomark.org/archives/2002/09/06/history_of_the_rss_fork" class="external text" title="http://diveintomark.org/archives/2002/09/06/history_of_the_rss_fork" rel="nofollow">History of the RSS Fork</a> (Mark Pilgrim)</li> <li><a href="https://web.archive.org/web/20080528061713/http://www.xul.fr/en-xml-rss.html" class="external text" title="http://www.xul.fr/en-xml-rss.html" rel="nofollow">Building an RSS feed</a> Tutorial with example.</li> </ul> <a name="Validators" id="Validators"></a> <h3>[<a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit&section=15" title="Edit section: Validators">edit</a>] Validators</h3> <ul> <li><a href="https://web.archive.org/web/20080528061713/http://validator.w3.org/feed/" class="external text" title="http://validator.w3.org/feed/" rel="nofollow">W3.org validation service</a></li> </ul>   <div class="printfooter"> Retrieved from "<a href="https://web.archive.org/web/20080528061713/http://en.wikipedia.org/wiki/RSS">http://en.wikipedia.org/wiki/RSS</a>"</div> <div id="catlinks" class="catlinks"><div id="mw-normal-catlinks"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Special:Categories" title="Special:Categories">Categories</a>: <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Category:RSS" title="Category:RSS">RSS</a> | <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Category:Web_syndication_formats" title="Category:Web syndication formats">Web syndication formats</a> | <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Category:XML-based_standards" title="Category:XML-based standards">XML-based standards</a> | <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Category:Computer_file_formats" title="Category:Computer file formats">Computer file formats</a> | <a href="/web/20080528061713/http://en.wikipedia.org/wiki/Category:Content_syndication_markup_language" title="Category:Content syndication markup language">Content syndication markup language</a></div></div>  <div class="visualClear"></div> </div> </div> </div> <div id="column-one"> <div id="p-cactions" class="portlet"> <h5>Views</h5> <div class="pBody"> <ul> <li id="ca-nstab-main" class="selected"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/RSS" title="View the content page [c]" accesskey="c">Article</a></li> <li id="ca-talk"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Talk:RSS" title="Discussion about the content page [t]" accesskey="t">Discussion</a></li> <li id="ca-edit"><a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=edit" title="You can edit this page. Please use the preview button before saving. [e]" accesskey="e">Edit this page</a></li> <li id="ca-history"><a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&action=history" title="Past versions of this page [h]" accesskey="h">History</a></li> </ul> </div> </div> <div class="portlet" id="p-personal"> <h5>Personal tools</h5> <div class="pBody"> <ul> <li id="pt-login"><a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=Special:UserLogin&returnto=RSS" title="You are encouraged to log in; however, it is not mandatory. [o]" accesskey="o">Log in / create account</a></li> </ul> </div> </div> <div class="portlet" id="p-logo"> <a style="background-image: url(https://web.archive.org/web/20080528061713im_/http://upload.wikimedia.org/wikipedia/en/b/bc/Wiki.png);" href="/web/20080528061713/http://en.wikipedia.org/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"></a> </div> <script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script> <div class="generated-sidebar portlet" id="p-navigation"> <h5>Navigation</h5> <div class="pBody"> <ul> <li id="n-mainpage"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Main_Page" title="Visit the main page [z]" accesskey="z">Main Page</a></li> <li id="n-Contents"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Portal:Contents" title="Guides to browsing Wikipedia">Contents</a></li> <li id="n-featuredcontent"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Portal:Featured_content">Featured content</a></li> <li id="n-currentevents"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Portal:Current_events" title="Find background information on current events">Current events</a></li> <li id="n-randompage"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Special:Random" title="Load a random article [x]" accesskey="x">Random article</a></li> </ul> </div> </div> <div class="generated-sidebar portlet" id="p-interaction"> <h5>Interaction</h5> <div class="pBody"> <ul> <li id="n-aboutsite"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="n-portal"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Wikipedia:Community_Portal" title="About the project, what you can do, where to find things">Community portal</a></li> <li id="n-recentchanges"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Special:RecentChanges" title="The list of recent changes in the wiki [r]" accesskey="r">Recent changes</a></li> <li id="n-contact"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia">Contact Wikipedia</a></li> <li id="n-sitesupport"><a href="https://web.archive.org/web/20080528061713/http://wikimediafoundation.org/wiki/Donate" title="Support us">Donate to Wikipedia</a></li> <li id="n-help"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia">Help</a></li> </ul> </div> </div> <div id="p-search" class="portlet"> <h5><label for="searchInput">Search</label></h5> <div id="searchBody" class="pBody"> <form action="/web/20080528061713/http://en.wikipedia.org/wiki/Special:Search" id="searchform"><div> <input id="searchInput" name="search" type="text" title="Search Wikipedia [f]" accesskey="f" value=""/> <input type="submit" name="go" class="searchButton" id="searchGoButton" value="Go" title="Go to a page with this exact name if one exists"/>  <input type="submit" name="fulltext" class="searchButton" id="mw-searchButton" value="Search" title="Search the wiki for this text"/> </div></form> </div> </div> <div class="portlet" id="p-tb"> <h5>Toolbox</h5> <div class="pBody"> <ul> <li id="t-whatlinkshere"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Special:WhatLinksHere/RSS" title="List of all English Wikipedia pages that link here [j]" accesskey="j">What links here</a></li> <li id="t-recentchangeslinked"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Special:RecentChangesLinked/RSS" title="Recent changes in pages linked from this page [k]" accesskey="k">Related changes</a></li> <li id="t-upload"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Wikipedia:Upload" title="Upload files [u]" accesskey="u">Upload file</a></li> <li id="t-specialpages"><a href="/web/20080528061713/http://en.wikipedia.org/wiki/Special:SpecialPages" title="List of all special pages [q]" accesskey="q">Special pages</a></li> <li id="t-print"><a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&printable=yes" title="Printable version of this page [p]" accesskey="p">Printable version</a></li> <li id="t-permalink"><a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=RSS&oldid=215377279" title="Permanent link to this version of the page">Permanent link</a></li><li id="t-cite"><a href="/web/20080528061713/http://en.wikipedia.org/w/index.php?title=Special:Cite&page=RSS&id=215377279">Cite this page</a></li> </ul> </div> </div> <div id="p-lang" class="portlet"> <h5>Languages</h5> <div class="pBody"> <ul> <li class="interwiki-ar"><a href="https://web.archive.org/web/20080528061713/http://ar.wikipedia.org/wiki/%D8%A2%D8%B1_%D8%A5%D8%B3_%D8%A5%D8%B3">العربية</a></li> <li class="interwiki-ast"><a href="https://web.archive.org/web/20080528061713/http://ast.wikipedia.org/wiki/RSS">Asturianu</a></li> <li class="interwiki-zh-min-nan"><a href="https://web.archive.org/web/20080528061713/http://zh-min-nan.wikipedia.org/wiki/RSS">Bân-lâm-gú</a></li> <li class="interwiki-be-x-old"><a href="https://web.archive.org/web/20080528061713/http://be-x-old.wikipedia.org/wiki/RSS">Беларуская (тарашкевіца)</a></li> <li class="interwiki-ca"><a href="https://web.archive.org/web/20080528061713/http://ca.wikipedia.org/wiki/RSS">Català</a></li> <li class="interwiki-cs"><a href="https://web.archive.org/web/20080528061713/http://cs.wikipedia.org/wiki/RSS">Česky</a></li> <li class="interwiki-da"><a href="https://web.archive.org/web/20080528061713/http://da.wikipedia.org/wiki/RSS">Dansk</a></li> <li class="interwiki-de"><a href="https://web.archive.org/web/20080528061713/http://de.wikipedia.org/wiki/RSS">Deutsch</a></li> <li class="interwiki-et"><a href="https://web.archive.org/web/20080528061713/http://et.wikipedia.org/wiki/RSS">Eesti</a></li> <li class="interwiki-es"><a href="https://web.archive.org/web/20080528061713/http://es.wikipedia.org/wiki/RSS">Español</a></li> <li class="interwiki-eo"><a href="https://web.archive.org/web/20080528061713/http://eo.wikipedia.org/wiki/RSS">Esperanto</a></li> <li class="interwiki-eu"><a href="https://web.archive.org/web/20080528061713/http://eu.wikipedia.org/wiki/RSS">Euskara</a></li> <li class="interwiki-fa"><a href="https://web.archive.org/web/20080528061713/http://fa.wikipedia.org/wiki/%D8%A2%D8%B1%D8%A7%D8%B3%E2%80%8C%D8%A7%D8%B3">فارسی</a></li> <li class="interwiki-fr"><a href="https://web.archive.org/web/20080528061713/http://fr.wikipedia.org/wiki/RSS_%28format%29">Français</a></li> <li class="interwiki-gl"><a href="https://web.archive.org/web/20080528061713/http://gl.wikipedia.org/wiki/RSS">Galego</a></li> <li class="interwiki-he"><a href="https://web.archive.org/web/20080528061713/http://he.wikipedia.org/wiki/RSS">עברית</a></li> <li class="interwiki-hi"><a href="https://web.archive.org/web/20080528061713/http://hi.wikipedia.org/wiki/%E0%A4%86%E0%A4%B0_%E0%A4%8F%E0%A4%B8_%E0%A4%8F%E0%A4%B8">हिन्दी</a></li> <li class="interwiki-hr"><a href="https://web.archive.org/web/20080528061713/http://hr.wikipedia.org/wiki/RSS">Hrvatski</a></li> <li class="interwiki-ko"><a href="https://web.archive.org/web/20080528061713/http://ko.wikipedia.org/wiki/RSS">한국어</a></li> <li class="interwiki-id"><a href="https://web.archive.org/web/20080528061713/http://id.wikipedia.org/wiki/RSS">Bahasa Indonesia</a></li> <li class="interwiki-it"><a href="https://web.archive.org/web/20080528061713/http://it.wikipedia.org/wiki/Really_simple_syndication">Italiano</a></li> <li class="interwiki-ka"><a href="https://web.archive.org/web/20080528061713/http://ka.wikipedia.org/wiki/RSS">ქართული</a></li> <li class="interwiki-kk"><a href="https://web.archive.org/web/20080528061713/http://kk.wikipedia.org/wiki/RSS">Қазақша</a></li> <li class="interwiki-lv"><a href="https://web.archive.org/web/20080528061713/http://lv.wikipedia.org/wiki/RSS_protokols">Latviešu</a></li> <li class="interwiki-lt"><a href="https://web.archive.org/web/20080528061713/http://lt.wikipedia.org/wiki/RSS">Lietuvių</a></li> <li class="interwiki-hu"><a href="https://web.archive.org/web/20080528061713/http://hu.wikipedia.org/wiki/Really_Simple_Syndication">Magyar</a></li> <li class="interwiki-nl"><a href="https://web.archive.org/web/20080528061713/http://nl.wikipedia.org/wiki/Really_Simple_Syndication">Nederlands</a></li> <li class="interwiki-ja"><a href="https://web.archive.org/web/20080528061713/http://ja.wikipedia.org/wiki/RSS">日本語</a></li> <li class="interwiki-ms"><a href="https://web.archive.org/web/20080528061713/http://ms.wikipedia.org/wiki/RSS">Bahasa Melayu</a></li> <li class="interwiki-no"><a href="https://web.archive.org/web/20080528061713/http://no.wikipedia.org/wiki/RSS">‪Norsk (bokmål)‬</a></li> <li class="interwiki-nn"><a href="https://web.archive.org/web/20080528061713/http://nn.wikipedia.org/wiki/RSS">‪Norsk (nynorsk)‬</a></li> <li class="interwiki-uz"><a href="https://web.archive.org/web/20080528061713/http://uz.wikipedia.org/wiki/RSS">O'zbek</a></li> <li class="interwiki-pl"><a href="https://web.archive.org/web/20080528061713/http://pl.wikipedia.org/wiki/Really_Simple_Syndication">Polski</a></li> <li class="interwiki-pt"><a href="https://web.archive.org/web/20080528061713/http://pt.wikipedia.org/wiki/RSS">Português</a></li> <li class="interwiki-ro"><a href="https://web.archive.org/web/20080528061713/http://ro.wikipedia.org/wiki/RSS">Română</a></li> <li class="interwiki-ru"><a href="https://web.archive.org/web/20080528061713/http://ru.wikipedia.org/wiki/RSS">Русский</a></li> <li class="interwiki-simple"><a href="https://web.archive.org/web/20080528061713/http://simple.wikipedia.org/wiki/RSS">Simple English</a></li> <li class="interwiki-sq"><a href="https://web.archive.org/web/20080528061713/http://sq.wikipedia.org/wiki/RSS">Shqip</a></li> <li class="interwiki-sl"><a href="https://web.archive.org/web/20080528061713/http://sl.wikipedia.org/wiki/RSS_%28protokol%29">Slovenščina</a></li> <li class="interwiki-fi"><a href="https://web.archive.org/web/20080528061713/http://fi.wikipedia.org/wiki/RSS">Suomi</a></li> <li class="interwiki-sv"><a href="https://web.archive.org/web/20080528061713/http://sv.wikipedia.org/wiki/RSS">Svenska</a></li> <li class="interwiki-th"><a href="https://web.archive.org/web/20080528061713/http://th.wikipedia.org/wiki/%E0%B8%AD%E0%B8%B2%E0%B8%A3%E0%B9%8C%E0%B9%80%E0%B8%AD%E0%B8%AA%E0%B9%80%E0%B8%AD%E0%B8%AA">ไทย</a></li> <li class="interwiki-vi"><a href="https://web.archive.org/web/20080528061713/http://vi.wikipedia.org/wiki/RSS_%28%C4%91%E1%BB%8Bnh_d%E1%BA%A1ng_t%E1%BA%ADp_tin%29">Tiếng Việt</a></li> <li class="interwiki-tr"><a href="https://web.archive.org/web/20080528061713/http://tr.wikipedia.org/wiki/RSS">Türkçe</a></li> <li class="interwiki-uk"><a href="https://web.archive.org/web/20080528061713/http://uk.wikipedia.org/wiki/RSS">Українська</a></li> <li class="interwiki-yi"><a href="https://web.archive.org/web/20080528061713/http://yi.wikipedia.org/wiki/%D7%90%D7%A8_%D7%A2%D7%A1_%D7%A2%D7%A1">ייִדיש</a></li> <li class="interwiki-zh"><a href="https://web.archive.org/web/20080528061713/http://zh.wikipedia.org/wiki/RSS">中文</a></li> </ul> </div> </div> </div> <div class="visualClear"></div> <div id="footer"> <div id="f-poweredbyico"><a href="https://web.archive.org/web/20080528061713/http://www.mediawiki.org/"><img src="/web/20080528061713im_/http://en.wikipedia.org/skins-1.5/common/images/poweredby_mediawiki_88x31.png" alt="Powered by MediaWiki"/></a></div> <div id="f-copyrightico"><a href="https://web.archive.org/web/20080528061713/http://wikimediafoundation.org/"><img 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